2101681760

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{305477}}^1$

素因数の和:305535

約数の個数: 48

約数和(自身を含む): 5080710096

約数和(自身を除く): 2979028336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 305477, 610954, 1221908, 1527385, 2443816, 3054770, 4887632, 6109540, 9775264, 12219080, 13135511, 24438160, 26271022, 48876320, 52542044, 65677555, 105084088, 131355110, 210168176, 262710220, 420336352, 525420440, 1050840880, 2101681760]

約数ペア:

[(1, 2101681760), (2, 1050840880), (4, 525420440), (5, 420336352), (8, 262710220), (10, 210168176), (16, 131355110), (20, 105084088), (32, 65677555), (40, 52542044), (43, 48876320), (80, 26271022), (86, 24438160), (160, 13135511), (172, 12219080), (215, 9775264), (344, 6109540), (430, 4887632), (688, 3054770), (860, 2443816), (1376, 1527385), (1720, 1221908), (3440, 610954), (6880, 305477)]